Perhaps you should try some spelling variations:
cua triet » cua viet, su triet, va triet
van hanh » van thanh, ban hanh, van anh
nang hoa » nang hoat, hang hoa, nang hoc
cam tuc » cam xuc, nam thuc, dam thuc
hoa hoi » khoa hoi, hoa hoc, hoa doi
hieu ve » hieu va, hieu van
vi cua » vai cua, di cua
cam tu » cam thu, nam tu, dam tu
sac ky » cac ky

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su ((sac ky) or (sai ky)) nang hoa hoi. hieu ve ((cam tuc) OR (cam tu)) van hanh vi cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su ((sac ky) OR (sai ky)) nang hoa hoi. hieu ve ((cam tuc) OR (cam tu)) van hanh vi cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su ((sac ky) or (sai ky)) nang hoa hoi. hieu ve ((cam tuc) OR (cam tu)) van hanh vi cua triet*".